<!DOCTYPE html>
<html>

<head>
    <title>下拉菜单实例|菜鸟教程(runoob.com)</title>
    <meta charset="utf-8">
    <style>
        /* 该实例演示了如何如何在下拉菜单中添加图片。 */
        .dropdown {
            position: relative;
            display: inline-block;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            background-color: #f9f9f9;
            min-width: 160px;
            box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
        }

        .dropdown:hover .dropdown-content {
            display: block;
        }

        .desc {
            padding: 15px;
            text-align: center;
        }
    </style>
</head>

<body>

    <h2>下拉图片</h2>
    <p>移动鼠标到图片上显示下拉内容。</p>

    <div class="dropdown">
        <img src="http://www.runoob.com/wp-content/uploads/2015/09/banner.jpg" alt="Trolltunga Norway" width="100"
            height="50">
        <div class="dropdown-content">
            <img src="http://www.runoob.com/wp-content/uploads/2015/09/banner.jpg" alt="Trolltunga Norway" width="400"
                height="200">
            <div class="desc">学的不仅是技术，更是梦想！</div>
        </div>
    </div>

</body>

</html>